1,3,7,8-Tetrachlorodibenzo[b,d]thiophene CAS 134705-52-5

Purity 97%+In StockPharmaceutical Standards
CAS No.134705-52-5
Molecular FormulaC12H4Cl4S
Molecular Weight322.04 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,3,7,8-Tetrachlorodibenzo[b,d]thiophene CAS 134705-52-5 chemical structure

Description

1,3,7,8-Tetrachlorodibenzo[b,d]thiophene (CAS 134705-52-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H4Cl4S. Molecular weight: 322.04 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC12H4Cl4S
Molecular Weight322.04 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1995
Halogen ContentCl-containing
Sulfur Atoms1

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